Home / 193,152,004.80-289,728,007.20-131,930,001.60

Finding the Fourth Proportional to 193,152,004.80, 289,728,007.20 and 131,930,001.60

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Solution

The fourth proportional to 193,152,004.80, 289,728,007.20 and 131,930,001.60 is: 197,895,002.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,152,004.80 : 289,728,007.20 = 131,930,001.60 : x
  2. Step 2: Convert to fraction form
    193,152,004.80/289,728,007.20 = 131,930,001.60/x
  3. Step 3: Cross multiply
    193,152,004.80x = 289,728,007.20 × 131,930,001.60
  4. Step 4: Simplify right side
    193,152,004.80x = 38,223,816,453,460,808
  5. Step 5: Solve for x
    x = 38,223,816,453,460,808/193,152,004.80
  6. Step 6: Final answer
    x = 197,895,002.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.